20522045720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2743589}}^1$

素因数の和:2743628

約数の個数: 64

約数和(自身を含む): 53335389600

約数和(自身を除く): 32813343880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 2743589, 5487178, 10974356, 13717945, 21948712, 27435890, 30179479, 46641013, 54871780, 60358958, 93282026, 109743560, 120717916, 150897395, 186564052, 233205065, 241435832, 301794790, 373128104, 466410130, 513051143, 603589580, 932820260, 1026102286, 1207179160, 1865640520, 2052204572, 2565255715, 4104409144, 5130511430, 10261022860, 20522045720]

約数ペア:

[(1, 20522045720), (2, 10261022860), (4, 5130511430), (5, 4104409144), (8, 2565255715), (10, 2052204572), (11, 1865640520), (17, 1207179160), (20, 1026102286), (22, 932820260), (34, 603589580), (40, 513051143), (44, 466410130), (55, 373128104), (68, 301794790), (85, 241435832), (88, 233205065), (110, 186564052), (136, 150897395), (170, 120717916), (187, 109743560), (220, 93282026), (340, 60358958), (374, 54871780), (440, 46641013), (680, 30179479), (748, 27435890), (935, 21948712), (1496, 13717945), (1870, 10974356), (3740, 5487178), (7480, 2743589)]